108 search results - page 20 / 22 » Homeland Security Data Mining Using Social Network Analysis |
SDM
2007
SIAM
13 years 7 months ago
2007
SIAM
Given a large sparse graph, how can we find patterns and anomalies? Several important applications can be modeled as large sparse graphs, e.g., network traffic monitoring, resea...
KDD
2009
ACM
14 years 6 months ago
2009
ACM
Classifying nodes in networks is a task with a wide range of applications. It can be particularly useful in anomaly and fraud detection. Many resources are invested in the task of...
WWW
2010
ACM
14 years 22 days ago
2010
ACM
We propose a novel method, based on concepts from expander graphs, to sample communities in networks. We show that our sampling method, unlike previous techniques, produces subgra...
KDD
2008
ACM
14 years 6 months ago
2008
ACM
In this article we describe a visual-analytic tool for the interrogation of evolving interaction network data such as those found in social, bibliometric, WWW and biological appli...
KDD
2009
ACM
14 years 6 months ago
2009
ACM
The increasing availability of electronic communication data, such as that arising from e-mail exchange, presents social and information scientists with new possibilities for char...